What is the origin of the idiom "suited and booted" and when to use it?

The origin of the idiom "suited and booted" is believed to have originated in the 19th century. The word "suited" refers to being dressed in a suit, typically a formal or business attire, while "booted" refers to wearing boots, which are often associated with being well-dressed or prepared for a particular activity or event. The idiom conveys a sense of being properly attired or equipped, and is often used in the context of being ready for a formal event, a business meeting, or any situation that requires a polished appearance or preparedness. It can also be used more figuratively to convey a sense of being fully prepared, organized, or equipped for any situation.